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प्रश्न
Auxillary equation of 2x2 + 3xy − 9y2 = 0 is ______
विकल्प
2m2 + 3m − 9 = 0
9m2 − 3m − 2 = 0
2m2 − 3m + 9 = 0
−9m2 − 3m + 2 = 0
उत्तर
9m2 − 3m − 2 = 0
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